Document 1740
Ward, J.G. 1975. Night acticity of birds near Vancouver International Airport, October-November 1974. Prepared for The Associate Committee on Bird Hazards to Aircraft by LGL Limited, Edmonton, Alberta. 20 pages.
Ward, J.G. 1975. Night acticity of birds near Vancouver International Airport, October-November 1974. Prepared for The Associate Committee on Bird Hazards to Aircraft by LGL Limited, Edmonton, Alberta. 20 pages.
